TD5 screeching on start-up

shotgun0589 · Dec 2, 2012

Whats the probable cause of screeching on a cold start-up?
I've heard it lots of cars, not just Defenders, it sounds like a belt, maybe the fan/timing belt or alternator belt? It has been doing it over the last week, since its been getting colder, might just be a coincidence though, for about 2/3 mins after starting, until the engine revs more than tick-over.
Is there a tensioner for the belt in question or are they self tensioners?
Any help would be great as it's driving me crackers!

Soloby Rob · Dec 2, 2012

Slipping belt fer sure.

johnlad · Dec 2, 2012

try putting some talc on the belt before starting if this cures it for a while you need a new belt

Soloby Rob · Dec 2, 2012

johnlad said:
try putting some talc on the belt before starting if this cures it for a while you need a new belt

Aye! or spray it with WD40 or similar whilst its running.

Hamsterberg · Dec 2, 2012

blue beasty said:
Often caused by.....

You like using that pic dont you

the_wolf · Dec 3, 2012

My 200tdi was getting really bad for this the past few weeks and it was doing my head in. The belt was brand new but the alternator belt was in need of replacing. Replaced the alternator belt and sorted the tension on the fan belt and all is fixed.

johnlad · Dec 3, 2012

fantastic, that would be a great help if he was'nt in a td5, that does'nt have a seperate alternator belt

shotgun0589 · Dec 3, 2012

I thought it only had one belt!! Thanks for the replies, it looks like it's slipping due to oil dripping onto the drive belt, I've not had time to have a good look at it yet, mainly because it's bloody freezin cold at the moment, but thats my best guess.

TD5 screeching on start-up

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